get_block_info
Retrieve detailed information about a specific Ethereum block by providing its block number to analyze blockchain data.
Instructions
Get detailed information about a specific block
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| block | Yes | The block number to get info for |
Implementation Reference
- index.js:368-381 (registration)Registration of the 'get_block_info' tool in the ListTools response, including name, description, and input schema.
{ name: 'get_block_info', description: 'Get detailed information about a specific block', inputSchema: { type: 'object', properties: { block: { type: 'string', description: 'The block number to get info for', }, }, required: ['block'], }, }, - index.js:371-380 (schema)Input schema definition for the 'get_block_info' tool, specifying the required 'block' parameter as a string.
inputSchema: { type: 'object', properties: { block: { type: 'string', description: 'The block number to get info for', }, }, required: ['block'], }, - index.js:733-735 (handler)Handler implementation for 'get_block_info' tool. Extracts the block number from arguments and forwards the request to the ChainFETCH API endpoint /api/v1/ethereum/blocks/{block}.
case 'get_block_info': const { block } = args; return await this.makeRequest(`/api/v1/ethereum/blocks/${block}`, 'GET', {}, null, token); - index.js:634-682 (helper)Helper method 'makeRequest' used by the handler to perform authenticated HTTP requests to the ChainFETCH API.
async makeRequest(endpoint, method = 'GET', params = {}, body = null, token = null) { const chainfetchToken = token || process.env.CHAINFETCH_API_TOKEN; if (!chainfetchToken) { throw new McpError( ErrorCode.InvalidRequest, 'CHAINFETCH_API_TOKEN is required' ); } const url = new URL(`${API_BASE_URL}${endpoint}`); // Add query parameters for GET requests if (method === 'GET' && Object.keys(params).length > 0) { Object.entries(params).forEach(([key, value]) => { if (value !== undefined && value !== null) { if (Array.isArray(value)) { value.forEach(v => url.searchParams.append(`${key}[]`, v)); } else { url.searchParams.append(key, value.toString()); } } }); } const fetchOptions = { method, headers: { 'Authorization': `Bearer ${chainfetchToken}`, 'Content-Type': 'application/json', }, }; if (body && method !== 'GET') { fetchOptions.body = JSON.stringify(body); } const response = await fetch(url.toString(), fetchOptions); if (!response.ok) { const errorText = await response.text(); throw new McpError( ErrorCode.InternalError, `API request failed: ${response.status} ${response.statusText} - ${errorText}` ); } return await response.json(); }